<!DOCTYPE html>
<html>
<head>
<!-- Tests that `empty-cells` works—in particular, that the definition of emptiness is correct. -->
<style>
.empty {
    border: none;
}
</style>
</head>
<body>
<table border=3>
    <tr><td>Yo</td><td>Howdy</td><td></td><td class=empty></td></tr>
    <tr><td>Later</td><td class=empty></td><td>See ya</td><td>Aloha</td></tr>
    <tr><td class=empty></td><td>Sayonara</td><td class=empty></td><td></td></tr>
</table>
</body>
</html>

